Question: Tell me scientific model whose name has the word world in it-
Paraphrase: Let me know logical demonstrate whose title has the word world in it-
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q193946 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'world')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: World Magnetic Model, World Magnetic Model, world crystal, world crystal